silence C++ warnings (issue 231370043 by address@hidden)

[nine . fierce . ballads]

Reviewers: ,

Message:
I noticed these recently and it seemed appropriate to fix them this way.

Description:
silence C++ warnings

Please review this at https://codereview.appspot.com/231370043/

Affected files (+2, -2 lines):
  M lily/beaming-pattern.cc
  M lily/page-breaking.cc


Index: lily/beaming-pattern.cc
diff --git a/lily/beaming-pattern.cc b/lily/beaming-pattern.cc
index  
1dcb791a8d9ca6bc836a10a1276373a4ab47c6ed..b7c5aa23d2633d9c4138c57e686c915b5419a19a  
100644
--- a/lily/beaming-pattern.cc
+++ b/lily/beaming-pattern.cc
@@ -167,7 +167,7 @@ Beaming_pattern::beamify (Beaming_options const  
&options)
         if (non_flag_dir)
           {
             int importance = infos_[i + 1].rhythmic_importance_;
-            int start_dur =  
intlog2(infos_[i+1].start_moment_.main_part_.den());
+            int start_dur =  
intlog2(static_cast<int>(infos_[i+1].start_moment_.main_part_.den()));
             int count = (importance < 0 && options.subdivide_beams_)
                         ? max(start_dur,3)-2 // 1/8 note has one beam
                         : min (min (infos_[i].count (non_flag_dir),
Index: lily/page-breaking.cc
diff --git a/lily/page-breaking.cc b/lily/page-breaking.cc
index  
b23cd4637b04684c3b591762df9368593aeeccf8..350a2c472dab46801ec1d9871792575339cee436  
100644
--- a/lily/page-breaking.cc
+++ b/lily/page-breaking.cc
@@ -1133,7 +1133,7 @@ Page_breaking::min_page_count (vsize configuration,  
vsize first_page_num)

       if ((!too_few_lines (line_count) && (next_height > cur_page_height  
&& cur_rod_height > 0))
           || too_many_lines (next_line_count)
-          || prev && scm_is_eq (prev->page_permission_, ly_symbol2scm  
("force")))
+          || (prev && scm_is_eq (prev->page_permission_, ly_symbol2scm  
("force"))))
         {
           line_count = cur.compressed_nontitle_lines_count_;
           cur_rod_height = cur.full_height ();